2AFX

Crystal structure of human glutaminyl cyclase in complex with 1-benzylimidazole


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.64 Å
  • R-Value Free: 0.205
  • R-Value Work: 0.177

Literature

Macromolecules
Sequence Display for 2AFX

Classification: TRANSFERASE

Total Structure Weight: 75754.14

Macromolecule Entities
Molecule Chains Length Organism Details
Glutaminyl-peptide cyclotransferase A, B 329 Homo sapiens EC#: 2.3.2.5 IUBMB
Fragment: residues 33-361
Gene Name(s): QPCT Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
1BN
Query on 1BN

A, B 1-BENZYL-1H-IMIDAZOLE
1-BENZYLIMIDAZOLE (Synonym)
C10 H10 N2
KKKDZZRICRFGSD-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A, B ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
1BN Ki: 262 - 7000 nM (85 - 100) BindingDB

N/A in BindingMoad
Ki: 7100 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.64 Å
  • R-Value Free: 0.205
  • R-Value Work: 0.177
  • Space Group: H 3 2

Unit Cell:

Length (Å) Angle (°)
a = 119.01 α = 90.00
b = 119.01 β = 90.00
c = 332.82 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2005-07-26
  • Released Date: 2005-08-23
  • Deposition author(s): Huang, K.F., Liu, Y.L., Cheng, W.J., Ko, T.P., Wang, A.H.J.

Revision History

  • Version 1_0: 2005-08-23

    Type: Initial release

  • Version 1_1: 2008-04-30

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Version format compliance